Alert archive / Arizona / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 123, NWS Phoenix, AZ

October 18, 2005Maricopa County, Arizona

NWS Phoenix, AZ issued this severe thunderstorm warning at Oct 18, 2005, 10:22 AM MST for Maricopa County, Arizona. It was in force for 23 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Oct 18, 2005, 10:22 AM MST (17:22 UTC)
Expired
Oct 18, 2005, 10:45 AM MST
In force
23 min
Issued by
NWS Phoenix, AZ
Area
Counties, with a storm outline in the text

County Maricopa County, AZ

The radar

The Phoenix radar (KIWA), 77 km from the middle of the area, began a volume at 17:25 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Phoenix, AZ wrote its last area forecast discussion before this severe thunderstorm warning went out at Oct 18, 4:07 AM MST, 6 hours 15 minutes earlier.

Area forecast discussion, Oct 18, 4:07 AM MST, 6 hours 15 minutes before
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Hazardous weather outlook, Oct 18, 5:37 AM MST, 4 hours 45 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PHOENIX AZ
537 AM MST TUE OCT 18 2005

AZZ021-022-024-190030-
NORTHWEST MARICOPA COUNTY-
SOUTHERN GILA COUNTY/TONTO NATIONAL FOREST FOOTHILLS-
WEST CENTRAL DESERTS-
537 AM MST TUE OCT 18 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR FAR SOUTHEAST CALIFORNIA AND
SOUTHWEST ARIZONA...

.DAY ONE...TODAY AND TONIGHT

WIDESPREAD SHOWERS AND THUNDERSTORMS...SOME WITH LOCALLY HEAVY
RAINFALL...WILL OCCUR TODAY...AND A FLASH FLOOD WATCH HAS BEEN
POSTED. IN ADDITION...THE MOST INTENSE STORMS WILL BE CAPABLE OF
GENERATING SMALL HAIL AND STRONG STRAIGHT LINE WIND GUSTS.
STORMS WILL LINGER INTO THE EVENING HOURS...ESPECIALLY OVER THE
HIGHER TERRAIN NORTH AND EAST OF PHOENIX. INDIVIDUAL STORMS WILL MOVE
RAPIDLY TOWARD THE NORTH OR NORTHEAST AT 35 TO 40 MPH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

AZZ020-023-025>028-190030-
GREATER PHOENIX AREA-LOWER COLORADO RIVER VALLEY AZ-
NORTHWEST AND NORTH CENTRAL PINAL COUNTY-SOUTHWEST DESERTS-
SOUTHWEST MARICOPA COUNTY-YUMA/MARTINEZ LAKE AND VICINITY-
537 AM MST TUE OCT 18 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR SOUTHEAST CALIFORNIA AND
SOUTHWEST ARIZONA.

.DAY ONE...TODAY AND TONIGHT

WIDESPREAD SHOWERS AND THUNDERSTORMS WILL OCCUR TODAY. THE MOST
INTENSE STORMS WILL BE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL
HAIL...AND STRONG STRAIGHT LINE WIND GUSTS. STORMS WILL LINGER INTO
THE EARLY EVENING HOURS OVER SOUTH CENTRAL ARIZONA. BLOWING DUST
COULD BRIEFLY LOWER VISIBILITY NEAR STORMS. INDIVIDUAL STORMS WILL
MOVE RAPIDLY TOWARD THE NORTH OR NORTHEAST AT 35 TO 40 MPH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

CAZ030>033-190030-
IMPERIAL COUNTY-JOSHUA TREE NATIONAL PARK/JTNP/-
LOWER COLORADO RIVER VALLEY CA-RIVERSIDE COUNTY/EASTERN DESERTS-
537 AM PDT TUE OCT 18 2005

.DAY ONE...TODAY AND TONIGHT...

SCATTERED TO NUMEROUS THUNDERSTORMS WILL OCCUR TODAY. THE MOST
INTENSE STORMS WILL BE CAPABLE OF PRODUCING BRIEF HEAVY RAIN...SMALL
HAIL...AND STRONG STRAIGHT LINE WIND GUSTS. BLOWING SAND OR DUST
COULD BRIEFLY LOWER VISIBILITY NEAR STORMS. INDIVIDUAL STORMS WILL
MOVE RAPIDLY TOWARD THE NORTH OR NORTHEAST AT 35 TO 40 MPH.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

DG

The office that day

Everything else NWS Phoenix, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Oct 17, 10:38 PM MSTSevere Thunderstorm WarningPSRLa Paz, Maricopa52 min
Oct 18, 12:16 AM MSTSevere Thunderstorm WarningPSRMaricopa44 min
Oct 18, 1:16 AM MSTSevere Thunderstorm WarningPSRMaricopa59 min
Oct 18, 6:55 AM MSTSevere Thunderstorm WarningPSRMaricopa28 min
Oct 18, 11:00 AM MSTFlash Flood WarningPSRMaricopa60 min

Nearby

Severe Thunderstorm Warnings in Arizona, 2005Every severe thunderstorm warning in 2005

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.